Former San Antonio mayor and U.S. Secretary of Housing and Urban Development Julián Castro will launch a political action committee on Tuesday that aims to support Democratic Party efforts to take control of the U.S. House and groom younger candidates.

The city’s signature early childhood education program continues to show signs of success as its first class of students progresses through the third grade, results that could prove meaningful when City Council members decide in late 2020 whether to continue the initiative.